package MR;

import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper;

import java.io.IOException;

public class ContentMapper extends Mapper<LongWritable,Text,Text,IntWritable>{
    @Override
    protected void map(LongWritable key, Text value, Context context) throws IOException, InterruptedException {
        String[] split = value.toString().split(",");
        for (String s : split) {
            if(s.length()==0)
                continue;
            context.write(new Text(s),new IntWritable(1));
        }
    }
}
